TW200614815A - System and method for detecting distortion - Google Patents
System and method for detecting distortionInfo
- Publication number
- TW200614815A TW200614815A TW094121014A TW94121014A TW200614815A TW 200614815 A TW200614815 A TW 200614815A TW 094121014 A TW094121014 A TW 094121014A TW 94121014 A TW94121014 A TW 94121014A TW 200614815 A TW200614815 A TW 200614815A
- Authority
- TW
- Taiwan
- Prior art keywords
- photodetecting
- image
- projected
- distortion
- projection surface
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3185—Geometric adjustment, e.g. keystone or convergence
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/147—Optical correction of image distortions, e.g. keystone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3191—Testing thereof
- H04N9/3194—Testing thereof including sensor feedback
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004186940A JP4920178B2 (ja) | 2004-06-24 | 2004-06-24 | 歪み検出システムおよび歪み検出方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200614815A true TW200614815A (en) | 2006-05-01 |
TWI380694B TWI380694B (fr) | 2012-12-21 |
Family
ID=35780529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094121014A TW200614815A (en) | 2004-06-24 | 2005-06-23 | System and method for detecting distortion |
Country Status (5)
Country | Link |
---|---|
US (1) | US8272747B2 (fr) |
EP (1) | EP1775944A4 (fr) |
JP (1) | JP4920178B2 (fr) |
TW (1) | TW200614815A (fr) |
WO (1) | WO2006001217A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109544500A (zh) * | 2017-09-20 | 2019-03-29 | 诚锋兴业股份有限公司 | 鞋面组装操作的辨识装置及辨识方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007078821A (ja) * | 2005-09-12 | 2007-03-29 | Casio Comput Co Ltd | 投影装置、投影方法及びプログラム |
JP2010224361A (ja) * | 2009-03-25 | 2010-10-07 | Seiko Epson Corp | 制御装置及びプロジェクター |
CN110418124B (zh) * | 2019-08-05 | 2021-11-30 | 歌尔光学科技有限公司 | 投影图像检测方法、装置、设备及计算机可读存储介质 |
CN113055664A (zh) * | 2021-04-20 | 2021-06-29 | 峰米(北京)科技有限公司 | 一种投影图像自动梯形矫正系统以及方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4593308A (en) * | 1984-04-27 | 1986-06-03 | General Electric Company | Automatic correction of centering and convergence errors in CRT displays |
JP2653899B2 (ja) * | 1990-06-07 | 1997-09-17 | 松下電器産業株式会社 | 画像補正装置 |
JP3409330B2 (ja) * | 1991-02-08 | 2003-05-26 | ソニー株式会社 | 投射型表示装置の調整装置および調整方法 |
CA2119216A1 (fr) | 1993-03-17 | 1994-09-18 | Ikunori Inoue | Appareil de correction d'images |
JP2940353B2 (ja) | 1993-08-24 | 1999-08-25 | 日本電気株式会社 | 投写型ディスプレイの幾何学歪調整装置 |
JPH07131802A (ja) * | 1993-11-05 | 1995-05-19 | Matsushita Electric Ind Co Ltd | 画像補正装置 |
DE19517346A1 (de) * | 1995-05-11 | 1996-11-14 | Wacker Chemie Gmbh | Emulsionen von Organosiliciumverbindungen für die Hydrophobierung von Baustoffen |
JPH1141629A (ja) | 1997-07-15 | 1999-02-12 | Minolta Co Ltd | 校正パターン表示装置及びこの校正パターン表示装置が適用されるカラー表示装置の表示特性測定装置 |
JP2000214577A (ja) * | 1999-01-25 | 2000-08-04 | Mitsubishi Electric Corp | パタ―ン歪検出方法、パタ―ン歪検出装置およびその記録媒体 |
TW472491B (en) * | 1999-03-19 | 2002-01-11 | Seiko Epson Corp | Projection system and projector |
US6292171B1 (en) * | 1999-03-31 | 2001-09-18 | Seiko Epson Corporation | Method and apparatus for calibrating a computer-generated projected image |
TW556440B (en) | 2001-11-22 | 2003-10-01 | Macronix Int Co Ltd | Method and device for preventing trapezoidal distortion in projected image |
JP4351057B2 (ja) | 2001-12-05 | 2009-10-28 | 浜松ホトニクス株式会社 | 光検出装置、撮像装置及び距離画像取得装置 |
JP3965049B2 (ja) | 2001-12-21 | 2007-08-22 | 浜松ホトニクス株式会社 | 撮像装置 |
JP2004088169A (ja) | 2002-08-22 | 2004-03-18 | Nisca Corp | 画像表示装置 |
-
2004
- 2004-06-24 JP JP2004186940A patent/JP4920178B2/ja not_active Expired - Fee Related
-
2005
- 2005-06-16 EP EP05751478A patent/EP1775944A4/fr not_active Ceased
- 2005-06-16 WO PCT/JP2005/011056 patent/WO2006001217A1/fr active Application Filing
- 2005-06-16 US US11/630,328 patent/US8272747B2/en not_active Expired - Fee Related
- 2005-06-23 TW TW094121014A patent/TW200614815A/zh not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109544500A (zh) * | 2017-09-20 | 2019-03-29 | 诚锋兴业股份有限公司 | 鞋面组装操作的辨识装置及辨识方法 |
Also Published As
Publication number | Publication date |
---|---|
US20080297733A1 (en) | 2008-12-04 |
TWI380694B (fr) | 2012-12-21 |
JP4920178B2 (ja) | 2012-04-18 |
US8272747B2 (en) | 2012-09-25 |
JP2006013812A (ja) | 2006-01-12 |
WO2006001217A1 (fr) | 2006-01-05 |
EP1775944A4 (fr) | 2009-09-16 |
EP1775944A1 (fr) | 2007-04-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |